mount_umapfs
—
?ե????륷???ƥ??ؤΥ????ץ??ե????륷???ƥ?
mount_umapfs
[-o
options] -u
uid-mapfile -g
gid-mapfile target
mount-point
mount_umapfs
?桼?ƥ????ƥ??ϡ?
???????륷???ƥ??Ȥϰۤʤ? uid, gid
?????Ѥ????ե????륷???ƥ???
???֥ĥ???ޥ????Ȥ??뤿???˻??Ѥ??ޤ???
???Τ褦?ʥե????륷???ƥ??ˤϡ??̤Υ????Ȥ?
NFS ??
?̤Υѥ???ɤ????Ѥ??????꤫?????ä??褿???ࡼ?Х֥????ǥ???????
?ե????륷???ƥब?????ޤ???
mount_umapfs
?桼?ƥ????ƥ??ϥ桼?????????ե??????Υ??åȤ????Ѥ???
???֥ĥ?θ??δĶ??ȥ????????δĶ??Ȥ?
uid, gid ???б????????ޤ??? ?㤨?С??桼?? smith
?ϡ????δĶ??Ǥ? uid 1000
?????????????????Ķ??Ǥ? uid 2000
?????ĤȤ??ޤ??? mount_umapfs
?桼?ƥ????ƥ??ϡ? smith
?Υ??ꥸ?ʥ??δĶ??ǻ??äƤ????ե??????Τ褦?˥ޥåפ????ޤ?:
uid 1000 ????ͭ?????ե??????ºݤˤ?
uid 2000 ????ͭ?ԤǤ???
???Τ褦?˸????ޤ???
?ʲ??Υ??ץ??????????Ѳ?ǽ?Ǥ?:
-o
-o
?Τ??Ȥˡ??????ޤǶ??ڤäƥ??ץ?????ʸ?????????ꤹ?뤳?Ȥ??Ǥ??ޤ???
??ǽ?ʥ??ץ??????Ȥ??ΰ?̣??
mount(8)
?Ȥ??Ƥ?????????
- target
- ???????륷???ƥ???̾?????֤ˤ????ơ????֥ĥ?θ??߰??֡?
- mount-point
- ?ޥåפ??줿???֥ĥ???֤??????ǥ??쥯?ȥꡣ
-u
uid-mapfile
-
-g
gid-mapfile
- ???̻Ҥ??б??????Ҥ????ޤ???
???줾???Υե??????? 1
???ܤˤϡ????Υե????뤬?????Ĥ??б???
???äƤ??뤫?Ҥ??ޤ??? 2
???ܤ????ϡ??ƹԤ??б??Ҥ??ޤ???
?ǽ??ι??ܤϥ????????Ķ??Ǥ? id
?ǡ????ι??ܤ????ꥸ?ʥ??Ķ??Ǥ?
id ?ǡ? ???ܤ϶????Ƕ??ڤ??ޤ???
uid-mapfile ?ˤϤ??٤Ƥ? uid
???б????? gid-mapfile
?ˤϤ??٤Ƥ? gid
???б??Ҥ????٤??Ǥ???
uid-mapfile ?˵??ܤ????ʤ? uid ??
NOBODY ?ȡ? gid-mapfile
?˵??ܤ????ʤ? gid ?? NULLGROUP
?Ȱ??????ޤ??? uid ???б??? 64
?Ĥޤǡ?gid ???б??? 16
?Ĥޤǵ??Ҥ??뤳?Ȥ??Ǥ??ޤ???
?ޥåץե??????ϥե????볬?ؤΤɤ??ˤǤ??֤????Ȥ??Ǥ??ޤ?????
?ե??????ν?ͭ?Ԥ? root ?ǡ?root
?Τߤ????????褦?ˤ??Ƥ????ʤ?????
?ʤ??ޤ????? mount_umapfs
?桼?ƥ????ƥ??ϡ??⤷???????Υե??????ν?ͭ?Ԥ丢?¤?
??Ŭ?ڤʾ????ϥ??֥ĥ???ޥåפ??ޤ?????
?⤷?ޥåץե??????? 1
???ܤ??б????ȼºݤ??б??????ۤʤ??????⡢
?¹Ԥ????ߤ??ޤ???
mount_umapfs
?桼?ƥ????ƥ??Ǻ????????ե????륷???ƥ??ؤϡ???ñ?ʥե????륷???ƥ??ؤ?
???ȤʤäƤ??ޤ???
???ʤȤ??Ƥ????ѤϹͤ??????Ƥ??ޤ?????
???Τ??ᡢ???ޤ????????줿?????ǤϤ????ޤ?????
?ܥե????륷???ƥॿ???פϡ??ޤ??????ˤϥ??ݡ??Ȥ????Ƥ??ޤ???
(??: ??ǽ???ʤ??Ȥ??????ȤǤ?) ????
?ºݤΤȤ??????Ѥ????ȥ????ƥ????Υǡ??????˲????뤫?⤷???ޤ?????
??????Ǥ?ˤ????ƻ??Ѥ??Ƥ?????????
?Ը????ա? Ǩ???Ƥ??Ƴ????ޤ???
???????餹?????ˤϡ????Υ????ɤ??ޤ???ͭ?Ԥ?ɬ?פȤ??Ƥ??ޤ?
- ?????ܤʥϥå????????ϥ????
⟨hackers@freebsd.org⟩ ?????ä?
?????Ѥ??ΰջפ????????Ƥ?????????
mount_umapfs
?? 4.4BSD
?????????????ޤ?????